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IBM MT 2632 Rear view, Security keyhole Parallel connector Modem connector Network connector

Models: MT 2632

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Page 92

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Locations

Rear view

Security keyhole

Parallel connector

Modem connector

Network connector

Serial connector

External-monitor connector

Universal serial bus (USB) connector

External-input-device connector

Power jack

88ThinkPad A21e

Page 92

Image 92

IBM MT 2632 Rear view, Security keyhole Parallel connector Modem connector Network connector, Power jack, ThinkPad A21e

Contents

IBM Mobile Systems ThinkPad Computer Hardware Maintenance Manual Second Edition December Contents IntroductionGeneral descriptions ThinkPad A21e1060 Ultrabay 2000 device Important service information Before replacing partsIntroduction Strategy for replacing FRUsStrategy for replacing a hard-disk drive How to use error messagesDiskette compatibility matrix Safety notices multilingual translations Safety noticeSafety notice continuedContinuation of Safety notice Safety notice 6 ThinkPad A21eSafety notice continued IntroductionContinuation of Safety notice 8 ThinkPad A21eSafety notice 10 ThinkPad A21e Safety noticeSafety notice Safety notice Safety information General safetyElectrical safety Safety inspection guide Handling electrostatic discharge-sensitive devices Grounding requirements Laser compliance statementDo not open 18 ThinkPad A21e v Only certified trained personnel should service the computer v Use new nylon-coated screws when you replace FRUsGeneral descriptions Read this firstThe following are not covered under warranty Related service information Service Web siteUsing Recovery CD To create Service Partition SPPasswords Power-on passwordHard-disk password Supervisor password4. Select Power-On Password How to remove the power-on passwordHow to remove the hard-disk password Power management Screen blank modeStandby mode Note for standby mode and hibernation modeHibernation mode Note for Windows NTv The system is powered off Checkout guide Testing the computerCheckout guide Diagnostics Interactive TestsPower system checkout Detecting system information with PC-DoctorHardware Info UtilityChecking the ac adapter Checking operational chargingChecking the battery pack 3. for Lithium ion batteryfor Nickel metal hydride battery 4. for Lithium ion batteryChecking the backup battery for Nickel metal hydride batteryThinkPad A21e 12.1-in. SVGA TFT Specifications Product overviewv “Specifications” v “Status indicators” on page This section presents the following product-unique informationStatus indicators and the standby indicator is off ThinkPad A21eFRU Tests The following table shows the test for each FRUcontinued 38 ThinkPad A21eApplicable test 40 ThinkPad A21e Fn key combinationsThe Fn key works independently from the operating system Symptom-to-FRU index Symptom-to-FRU indexNumeric error codes continued 42 ThinkPad A21eThinkPad A21e Error messages 44 ThinkPad A21eThinkPad A21e Beep symptomsNo beep symptoms LCD-related symptoms Intermittent problemsScrew notices Undetermined problemsFRU replacement notices Retaining serial numbers v Plastic to plasticv Logic card to plastic v Torque driver3. Select 2. Read S/N data from EEPROM Restoring the serial number of the system unitRetaining the UUID Removing and replacing a FRU 1010 Battery pack 1020 DIMM v Battery packNote Loosen the screw but do not remove it1030 Mini PCI adapter v Battery packNote Loosen the screw but do not remove itNote The illustration shows the combo card. Connector 1040 Backup battery v DIMM1050 Hard-disk drive Do not drop or apply any shock to the hard-diskRemoving and replacing a FRU When installing Make sure that the HDD connector is firmly connectedThinkPad A21e 1060 Ultrabay 2000 device Note When you release the switch in stepthe lever pops out. Pull the lever a little in stepRemoving and replacing a FRU continuedThinkPad A21e 1070 Keyboard M2.5 × 15 mm, nylon-coated39.2 Ncm 4 kgfcmRemoving and replacing a FRU continuedThinkPad A21e When installing When installing the keyboard, do as follows ThinkPad A21e 1080 Keyboard CRU insulatorv Battery pack v Hard-disk drive v Ultrabay 2000 device v Keyboard 1090 Hinge cover v Battery pack v Hard-disk drive v Ultrabay 2000 device v Keyboardv Keyboard CRU insulator 64 ThinkPad A21e1100 Keyboard bezel and speaker v Battery pack v Hard-disk drive v Ultrabay 2000 device v Keyboardv Keyboard CRU insulator v Hinge cover continued66 ThinkPad A21e StepScrew quantity Torque1110 Speaker cable v Battery pack v Hard-disk drive v Ultrabay 2000 device v KeyboardWhen installing Make sure that you fasten the connector firmly v Keyboard CRU insulator v Hinge cover v Keyboard bezel and speaker1120 Sub card Special, nylon-coatedThinkPad A21e StepScrew quantity Torque1130 PC Card slot assembly M2.0 × 9.5 mm, nylon-coated24.5 Ncm 2.5 kgfcm1140 Fan assembly v Battery pack v Hard-disk drive v Ultrabay 2000 device v Keyboardv Keyboard CRU insulator v Hinge cover v Keyboard bezel and speaker ThinkPad A21eRemoving and replacing a FRU part of the fan as shown in the following figure72 ThinkPad A21e 1150 Diskette drive 1160 Upper shield v Battery pack v Hard-disk drive v Ultrabay 2000 device v Keyboardv Speaker cable v Sub card v PC Card slot assembly v Fan assembly v Keyboard CRU insulator v Hinge cover v Keyboard bezel and speaker1170 System board v DIMM76 ThinkPad A21e StepScrew quantity Torque2010 LCD assembly v Battery pack v Hard-disk drive v Ultrabay 2000 device v Keyboardv Keyboard CRU insulator v Hinge cover v Keyboard bezel and speaker110078 ThinkPad A21e StepScrew quantity Torque2020 Front bezel v Battery pack v Hard-disk drive v Ultrabay 2000 device v Keyboardv LCD assembly v Keyboard CRU insulator v Hinge cover v Keyboard bezel and speaker80 ThinkPad A21e Removing and replacing a FRU2030 Inverter card 12.1-in. panel14.1-in. and 15.0-in. panels 82 ThinkPad A21e2040 LCD panel 12.1-in. panelRemoving and replacing a FRU continued84 ThinkPad A21e ThinkPad A21e 14.1-in. and 15.0-in. panelscontinued 86 ThinkPad A21e Removing and replacing a FRULocations Front view LocationsRear view Security keyhole Parallel connector Modem connector Network connectorSerial connector External-monitor connector Universal serial bus USB connector External-input-device connectorBottom view Battery pack Battery pack latches Mini PCI card slotDocking connector DIMM slot Stereo headphone jack Stereo line-in jack Diskette drive Microphone jack Hard-disk drive LCD latchesParts list 90 ThinkPad A21eThinkPad A21e The parts marked with asterisk are CRU customer replacable unitcontinued 92 ThinkPad A21e LCD FRU 12.1-in. SVGA TFT14.1-in. XGA TFT 15.0-in. XGA TFT15.0-in. XGA TFT LG 94 ThinkPad A21eKeyboard ThinkPad A21e96 ThinkPad A21e Miscellaneous partscontinued ThinkPad A21e Optional FRUs 98 ThinkPad A21eCommon parts list Power cords systemTools For 2-pin power cordsNotices TrademarksThinkPad A21e NoticesPart Number 06P8883 Printed in U.S.A 1P P/N 06P8883